发明名称 |
SECONDARY FILTER ASSEMBLY FOR FUEL INJECTOR |
摘要 |
A fuel injector including a jacket, a valve seat, and a needle valve apparatus mounted within the jacket and engagable with the valve seat. The needle valve apparatus includes a plurality of holes for filtering fuel flowing through the injector. Each of the holes has a diameter sized to prevent passage therethrough of particles having widths of approximately 0.050 millimeters and larger. In one aspect of the invention, the needle valve apparatus includes a needle valve assembly having at least one transverse aperture through which fuel can flow and a generally tubular filter surrounding at least a portion of the needle valve assembly. The plurality of holes for filtering fuel is formed in the tubular filter. In another aspect, the needle valve apparatus includes a needle valve assembly having a needle valve with a wall that includes the plurality of holes.
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申请公布号 |
US2002092934(A1) |
申请公布日期 |
2002.07.18 |
申请号 |
US20010681128 |
申请日期 |
2001.01.16 |
申请人 |
SIMS DEWEY M.;SCHELLING WERNER A. |
发明人 |
SIMS DEWEY M.;SCHELLING WERNER A. |
分类号 |
F02M51/06;F02M51/08;F02M61/16;(IPC1-7):F02M51/06;B05B1/30 |
主分类号 |
F02M51/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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